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Digital Computer Electronics

Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

AB+AC
A+B+C
A+BC
AC+B
None of these

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

nibble
bit
byte
None of these
All of these

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Digital Computer Electronics
The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

decimal
ASCE
binary
None of these
BCD

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

EX-OR gate
AND gate
OR gate
NOR gate
None of these

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Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

None of these
XOR
OR
NAND
NOR

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Digital Computer Electronics
One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

Schottky
None of these
De Morgan
Karnaugh
Standard

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